Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
ACT Prep
/
Parallel and Perpendicular Lines
Grade Level
ACT Prep
ACTM.083 Parallel and Perpendicular Lines
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
The lines y = (r/2)x + 1 and 3x - (r + 1)y = 5 are parallel. Which list gives all possible r-values?
A
r = -1 or r = 6
B
r = -2 or r = 3
C
r = 1 or r = -6
D
r = 2 or r = -3
Submit Answer